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1970550005 = 5394110001
BaseRepresentation
bin111010101110100…
…0011010011110101
312002022221022102112
41311131003103311
513013430100010
6523311420405
766555253514
oct16535032365
95068838375
101970550005
11921362426
1246bb24705
13255335828
141499d067b
15b7ee6a05
hex757434f5

1970550005 has 4 divisors (see below), whose sum is σ = 2364660012. Its totient is φ = 1576440000.

The previous prime is 1970549969. The next prime is 1970550007. The reversal of 1970550005 is 5000550791.

1970550005 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 781817521 + 1188732484 = 27961^2 + 34478^2 .

It is not a de Polignac number, because 1970550005 - 26 = 1970549941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970550007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197054996 + ... + 197055005.

It is an arithmetic number, because the mean of its divisors is an integer number (591165003).

Almost surely, 21970550005 is an apocalyptic number.

It is an amenable number.

1970550005 is a deficient number, since it is larger than the sum of its proper divisors (394110007).

1970550005 is an equidigital number, since it uses as much as digits as its factorization.

1970550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394110006.

The product of its (nonzero) digits is 7875, while the sum is 32.

The square root of 1970550005 is about 44390.8774975219. The cubic root of 1970550005 is about 1253.7063340090.

The spelling of 1970550005 in words is "one billion, nine hundred seventy million, five hundred fifty thousand, five".

Divisors: 1 5 394110001 1970550005